Follow along with the video below to see how to install our site as a web app on your home screen.
Anmerkung: This feature may not be available in some browsers.
<script type="text/javascript">
function feld(){
if(document.getElementByName('eins').value != "")
document.getElementById('two').style.display = "block";
else
document.getElementByid('two').style.display = "none";
}
</script>
<body onload="feld()">
<input type="text" name="eins" onBlur="feld()">
<div id="two" style="display: none;"><input type="text" name="two"></div>
...